The Bar-Tek 2.5L TFSI DAZA & DNWA High Boost ULTI Kit is an engine reinforcement solution designed for demanding tuning and high boost applications for the 2.5 TFSI DAZA and DNWA engines used in Audi RS3 and TTRS models. The complete system is designed to withstand extremely high cylinder pressures, high boost pressures, and continuous heavy loads, where original components become a limiting factor.
The solution is based on a combination defined and tested by Bar-Tek, in which JE® forged pistons and BAR-TEK® steel connecting rods have been selected to work together according to the specific load and temperature profile of the 2.5 TFSI five-cylinder engine. The result is a technically controlled and long-lasting foundation for high-power engine builds.
Delivery contents
The reinforcement solution includes all key parts to improve the durability of the engine's bottom end:
The parts are designed to be mutually compatible without separate adapter solutions.
Features
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JE® forged pistons to withstand high temperatures and cylinder pressures
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BAR-TEK® steel connecting rods with high mechanical and fatigue strength
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Optimized for High Boost applications
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Specifically designed for 2.5 TFSI DAZA & DNWA engines
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Suitable for demanding street and race use
Benefits
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Significantly improved mechanical durability compared to the standard construction
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Allows for high boost pressure and very high power safely
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Stable and predictable operation under heavy load
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A reliable foundation for advanced RS3 and TTRS engine projects
The Bar-Tek 2.5L TFSI DAZA & DNWA High Boost ULTI Kit – JE & BAR-TEK® is designed for engine builders who demand maximum durability, repeatable performance, and a long service life from the 2.5 TFSI five-cylinder engine, even in extreme conditions.